Teen shot, critically injured outside Philadelphia store

Investigators say it happened after an apparent argument by the corner store in the East Mount Airy section around 3:15 p.m. Sunday. They say the boy was shot once in the chest and taken to a hospital, where he was listed in critical condition.

Police say at least two males were seen running from the scene. Witnesses say a fight or argument between two groups of teenagers may have been what led to the shooting.

The names of the victim and the suspects have not been released. No charges have been announced.